Revert "Add memref.dim canonicalization patterns to TilingCanonicalizationPatterns"

[asaadaldien]

Summary

This reverts commit a52959401d9544ac7037405aaf714bd08f071ea9.

[stellaraccident]

Can we please have an explanation/rationale for reverts? Given the short time window, I'm left to assume something was done in error.

[asaadaldien]

Apologies for pushing the revert without justifications. The original commit wasn't ready to land at the time it landed.

mlir/lib/Dialect/Linalg/Transforms/Tiling.cpp

void mlir::linalg::populateLinalgTilingCanonicalizationPatterns(
   AffineMaxOp::getCanonicalizationPatterns(patterns, ctx);
   scf::ForOp::getCanonicalizationPatterns(patterns, ctx);
   scf::ParallelOp::getCanonicalizationPatterns(patterns, ctx);
   ConstantIndexOp::getCanonicalizationPatterns(patterns, ctx);
   SubTensorOp::getCanonicalizationPatterns(patterns, ctx);
   memref::SubViewOp::getCanonicalizationPatterns(patterns, ctx);
   tensor::CastOp::getCanonicalizationPatterns(patterns, ctx);
   memref::ViewOp::getCanonicalizationPatterns(patterns, ctx);
-  memref::DimOp::getCanonicalizationPatterns(patterns, ctx);
   CanonicalizationPatternList<
 #define GET_OP_LIST
 #include "mlir/Dialect/Linalg/IR/LinalgStructuredOps.cpp.inc"
       >::insert(patterns);
 }
 
 /// Populate the given list with patterns that apply Linalg tiling.
 static void insertTilingPatterns(RewritePatternSet &patterns,